1989 Buick Regal vehicle is running rich

1989 BUICK REGAL
197,583 MILES • 6 CYL • FWD • AUTOMATIC
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JACOLLIER
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  • 5 POSTS
this vehicle idles down and up then dies, it is blowing black smoke, and has killed it's converter
Aug 25, 2009 at 5:49 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
Has the check engine light come on? There are a few things that can cause this. That is why I am asking about the light. It will help narrow down the problem.

Let me know.
Sep 4, 2009 at 1:09 AM
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JACOLLIER
  • MEMBER
  • 5 POSTS
Thank's Joacb, as it turned out the fuel pressure regulator was leaking fuel into the vacume source.
A new regulator and away it went.
Sep 4, 2009 at 2:51 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
I'm glad you got it figured out. Let us know if you have questions in the future.
Sep 4, 2009 at 3:32 AM
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